[23318] Fixed the issue with failure to upload a file to the object
storage, which occurred after upgrading the Ceph cluster from Jewel to
Luminous using the Ceph - upgrade Jenkins pipeline job.
[27589] Fixed the issue with the existing Ceph Monitor and Ceph OSD
occasionally not functioning while adding a new Ceph OSD node.
[25480] Fixed the issue with the duplication of parameters that
define the Ceph OSD nodes count in the Cookiecutter context. Now, only
ceph_osd_node_count is used.